include compiler defines and other minor refinements
This commit is contained in:
Larry Bugbee
Steffen Jaeckel
parent
fd140d4535
commit
1b29ce896f
60
demos/demo_crypt_constants.c
Normal file
60
demos/demo_crypt_constants.c
Normal file
@ -0,0 +1,60 @@
|
||||
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
||||
*
|
||||
* LibTomCrypt is a library that provides various cryptographic
|
||||
* algorithms in a highly modular and flexible manner.
|
||||
*
|
||||
* The library is free for all purposes without any express
|
||||
* guarantee it works.
|
||||
*
|
||||
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
|
||||
*/
|
||||
#include "tomcrypt.h"
|
||||
|
||||
/**
|
||||
@file demo_crypt_constants.c
|
||||
|
||||
Demo how to get various constants to dynamic languages
|
||||
like Python
|
||||
|
||||
Larry Bugbee, February 2013
|
||||
*/
|
||||
|
||||
|
||||
// in lieu of a header file
|
||||
int crypt_get_constant(const char* namein, int *valueout);
|
||||
int crypt_list_all_constants(char *names_list,
|
||||
unsigned long *names_list_size);
|
||||
|
||||
|
||||
int main(void) {
|
||||
int rc;
|
||||
|
||||
printf("\n");
|
||||
|
||||
// given a specific constant name, get and print its value
|
||||
char name[] = "CTR_COUNTER_BIG_ENDIAN";
|
||||
int value;
|
||||
|
||||
rc = crypt_get_constant(name, &value);
|
||||
printf(" %s is %d \n", name, value);
|
||||
printf("\n");
|
||||
|
||||
// get and print the length of the names (and values) list
|
||||
char *names_list;
|
||||
unsigned long names_list_len;
|
||||
|
||||
rc = crypt_list_all_constants(NULL, &names_list_len);
|
||||
printf(" need to allocate %lu bytes \n", names_list_len);
|
||||
printf("\n");
|
||||
|
||||
// get and print the names (and values) list
|
||||
names_list = malloc(names_list_len);
|
||||
rc = crypt_list_all_constants(names_list, &names_list_len);
|
||||
printf(" supported constants: \n%s \n", names_list);
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
|
||||
/* $Source: $ */
|
||||
/* $Revision: $ */
|
||||
/* $Date: $ */
|
||||
55
demos/demo_crypt_sizes.c
Normal file
55
demos/demo_crypt_sizes.c
Normal file
@ -0,0 +1,55 @@
|
||||
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
||||
*
|
||||
* LibTomCrypt is a library that provides various cryptographic
|
||||
* algorithms in a highly modular and flexible manner.
|
||||
*
|
||||
* The library is free for all purposes without any express
|
||||
* guarantee it works.
|
||||
*
|
||||
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
|
||||
*/
|
||||
#include "tomcrypt.h"
|
||||
|
||||
/**
|
||||
@file demo_crypt_sizes.c
|
||||
|
||||
Demo how to get various sizes to dynamic languages
|
||||
like Python - Larry Bugbee, February 2013
|
||||
*/
|
||||
|
||||
|
||||
// in lieu of a header file
|
||||
int crypt_get_size(const char* namein, int *sizeout);
|
||||
int crypt_list_all_sizes(char *names_list,
|
||||
unsigned long *names_list_size);
|
||||
|
||||
|
||||
int main(void) {
|
||||
int rc;
|
||||
printf("\n");
|
||||
|
||||
// given a specific size name, get and print its size
|
||||
char name[] = "ecc_key_struct_size";
|
||||
int size;
|
||||
rc = crypt_get_size(name, &size);
|
||||
printf(" %s is %d \n", name, size);
|
||||
printf("\n");
|
||||
|
||||
// get and print the length of the names (and sizes) list
|
||||
char *sizes_list;
|
||||
unsigned long sizes_list_len;
|
||||
rc = crypt_list_all_sizes(NULL, &sizes_list_len);
|
||||
printf(" need to allocate %lu bytes \n", sizes_list_len);
|
||||
printf("\n");
|
||||
|
||||
// get and print the names (and sizes) list
|
||||
sizes_list = malloc(sizes_list_len);
|
||||
rc = crypt_list_all_sizes(sizes_list, &sizes_list_len);
|
||||
printf(" supported sizes: %s \n", sizes_list);
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
|
||||
/* $Source: $ */
|
||||
/* $Revision: $ */
|
||||
/* $Date: $ */
|
||||
11
makefile
11
makefile
@ -81,6 +81,8 @@ TV=tv_gen
|
||||
MULTI=multi
|
||||
TIMING=timing
|
||||
TEST=test
|
||||
SIZES=sizes
|
||||
CONSTANTS=constants
|
||||
|
||||
#LIBPATH-The directory for libtomcrypt to be installed to.
|
||||
#INCPATH-The directory to install the header files for libtomcrypt.
|
||||
@ -255,6 +257,8 @@ TVS=demos/tv_gen.o
|
||||
MULTIS=demos/multi.o
|
||||
TIMINGS=demos/timing.o
|
||||
TESTS=demos/test.o
|
||||
CRYPTSIZES=demos/demo_crypt_sizes.o
|
||||
CRYPTCONSTANTS=demos/demo_crypt_constants.o
|
||||
|
||||
#Files left over from making the crypt.pdf.
|
||||
LEFTOVERS=*.dvi *.log *.aux *.toc *.idx *.ilg *.ind *.out *.lof
|
||||
@ -312,6 +316,12 @@ timing: library testprof/$(LIBTEST) $(TIMINGS)
|
||||
test: library testprof/$(LIBTEST) $(TESTS)
|
||||
$(CC) $(LDFLAGS) $(TESTS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TEST)
|
||||
|
||||
sizes: library $(CRYPTSIZES)
|
||||
$(CC) $(LDFLAGS) $(CRYPTSIZES) $(LIBNAME) $(EXTRALIBS) -o $(SIZES)
|
||||
|
||||
constants: library $(CRYPTCONSTANTS)
|
||||
$(CC) $(LDFLAGS) $(CRYPTCONSTANTS) $(LIBNAME) $(EXTRALIBS) -o $(CONSTANTS)
|
||||
|
||||
#This rule installs the library and the header files. This must be run
|
||||
#as root in order to have a high enough permission to write to the correct
|
||||
#directories and to set the owner and group to root.
|
||||
@ -360,6 +370,7 @@ clean:
|
||||
rm -rf `find . -type d -name "*.libs" | xargs`
|
||||
rm -f crypt.aux crypt.dvi crypt.idx crypt.ilg crypt.ind crypt.log crypt.toc
|
||||
rm -f $(TV) $(SMALL) $(CRYPT) $(HASH) $(MULTI) $(TIMING) $(TEST)
|
||||
rm -f $(SIZES) $(CONSTANTS)
|
||||
rm -rf doc/doxygen
|
||||
rm -f `find . -type f -name "*.pdf" | grep -FL crypt.pdf | xargs`
|
||||
rm -f *.txt
|
||||
|
||||
121
src/misc/crypt/crypt_constants.c
Executable file
121
src/misc/crypt/crypt_constants.c
Executable file
@ -0,0 +1,121 @@
|
||||
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
||||
*
|
||||
* LibTomCrypt is a library that provides various cryptographic
|
||||
* algorithms in a highly modular and flexible manner.
|
||||
*
|
||||
* The library is free for all purposes without any express
|
||||
* guarantee it works.
|
||||
*
|
||||
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
|
||||
*/
|
||||
#include "tomcrypt.h"
|
||||
|
||||
/**
|
||||
@file crypt_constants.c
|
||||
|
||||
Make various constants available to dynamic languages
|
||||
like Python - Larry Bugbee, February 2013
|
||||
|
||||
LB - Dec 2013 - revised to include compiler define options
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
const char *name;
|
||||
const long value;
|
||||
} crypt_constant;
|
||||
|
||||
crypt_constant _crypt_constants[] = {
|
||||
#ifdef LTC_CTR_MODE
|
||||
{"CTR_COUNTER_LITTLE_ENDIAN", CTR_COUNTER_LITTLE_ENDIAN},
|
||||
{"CTR_COUNTER_BIG_ENDIAN", CTR_COUNTER_BIG_ENDIAN},
|
||||
{"LTC_CTR_RFC3686", LTC_CTR_RFC3686},
|
||||
#endif
|
||||
|
||||
{"PK_PUBLIC", PK_PUBLIC},
|
||||
{"PK_PRIVATE", PK_PRIVATE},
|
||||
#ifdef LTC_MRSA
|
||||
{"MIN_RSA_SIZE", MIN_RSA_SIZE},
|
||||
{"MAX_RSA_SIZE", MAX_RSA_SIZE},
|
||||
#endif
|
||||
|
||||
#ifdef LTC_PKCS_1
|
||||
{"LTC_PKCS_1_OAEP", LTC_PKCS_1_OAEP},
|
||||
{"LTC_PKCS_1_PSS", LTC_PKCS_1_PSS},
|
||||
{"LTC_PKCS_1_V1_5", LTC_PKCS_1_V1_5},
|
||||
#endif
|
||||
};
|
||||
|
||||
|
||||
/* crypt_get_constant()
|
||||
* sizeout will be the size (bytes) of the named struct or union
|
||||
* return -1 if named item not found
|
||||
*/
|
||||
int crypt_get_constant(const char* namein, int *valueout) {
|
||||
int i;
|
||||
int _crypt_constants_len = sizeof(_crypt_constants) / sizeof(crypt_constant);
|
||||
for (i=0; i<_crypt_constants_len; i++) {
|
||||
if (strcmp(_crypt_constants[i].name, namein) == 0) {
|
||||
*valueout = _crypt_constants[i].value;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* crypt_list_all_constants()
|
||||
* if names_list is NULL, names_list_size will be the minimum
|
||||
* size needed to receive the complete names_list
|
||||
* if names_list is NOT NULL, names_list must be the addr with
|
||||
* sufficient memory allocated into which the names_list
|
||||
* is to be written. Also, the value in names_list_size
|
||||
* sets the upper bound of the number of characters to be
|
||||
* written.
|
||||
* a -1 return value signifies insufficient space made available
|
||||
*/
|
||||
int crypt_list_all_constants(char *names_list,
|
||||
unsigned long *names_list_size) {
|
||||
int i;
|
||||
unsigned long total_len = 0;
|
||||
char number[10];
|
||||
int number_len;
|
||||
int count = sizeof(_crypt_constants) / sizeof(crypt_constant);
|
||||
|
||||
/* calculate amount of memory required for the list */
|
||||
for (i=0; i<count; i++) {
|
||||
total_len += strlen(_crypt_constants[i].name) + 1;
|
||||
// the above +1 is for the commas
|
||||
sprintf(number,"%lu",_crypt_constants[i].value);
|
||||
total_len += strlen(number) + 1;
|
||||
// this last +1 is for newlines (and ending NULL)
|
||||
}
|
||||
|
||||
if (names_list == NULL) {
|
||||
*names_list_size = total_len;
|
||||
} else {
|
||||
if (total_len > *names_list_size) {
|
||||
return -1;
|
||||
}
|
||||
/* build the names list */
|
||||
char *ptr = names_list;
|
||||
for (i=0; i<count; i++) {
|
||||
strcpy(ptr, _crypt_constants[i].name);
|
||||
ptr += strlen(_crypt_constants[i].name);
|
||||
strcpy(ptr, ",");
|
||||
ptr += 1;
|
||||
|
||||
number_len = sprintf(number,"%lu",_crypt_constants[i].value);
|
||||
strcpy(ptr, number);
|
||||
ptr += number_len;
|
||||
strcpy(ptr, "\n");
|
||||
ptr += 1;
|
||||
}
|
||||
ptr -= 1; // to remove the trailing comma
|
||||
*ptr = 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_constants.c,v $ */
|
||||
/* $Revision: $ */
|
||||
/* $Date: $ */
|
||||
44
src/misc/crypt/crypt_inits.c
Executable file
44
src/misc/crypt/crypt_inits.c
Executable file
@ -0,0 +1,44 @@
|
||||
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
||||
*
|
||||
* LibTomCrypt is a library that provides various cryptographic
|
||||
* algorithms in a highly modular and flexible manner.
|
||||
*
|
||||
* The library is free for all purposes without any express
|
||||
* guarantee it works.
|
||||
*
|
||||
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
|
||||
*/
|
||||
#include "tomcrypt.h"
|
||||
|
||||
/**
|
||||
@file crypt_inits.c
|
||||
|
||||
Provide math library functions for dynamic languages
|
||||
like Python - Larry Bugbee, February 2013
|
||||
*/
|
||||
|
||||
|
||||
#ifdef USE_LTM
|
||||
void init_LTM(void) {
|
||||
ltc_mp = ltm_desc;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef USE_TFM
|
||||
void init_TFM(void) {
|
||||
ltc_mp = tfm_desc;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* *** use of GMP is untested ***
|
||||
#ifdef USE_GMP
|
||||
void init_GMP(void) {
|
||||
ltc_mp = gmp_desc;
|
||||
}
|
||||
#endif
|
||||
*/
|
||||
|
||||
|
||||
/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_inits.c,v $ */
|
||||
/* $Revision: $ */
|
||||
/* $Date: $ */
|
||||
305
src/misc/crypt/crypt_sizes.c
Executable file
305
src/misc/crypt/crypt_sizes.c
Executable file
@ -0,0 +1,305 @@
|
||||
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
||||
*
|
||||
* LibTomCrypt is a library that provides various cryptographic
|
||||
* algorithms in a highly modular and flexible manner.
|
||||
*
|
||||
* The library is free for all purposes without any express
|
||||
* guarantee it works.
|
||||
*
|
||||
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
|
||||
*/
|
||||
#include "tomcrypt.h"
|
||||
|
||||
/**
|
||||
@file crypt_sizes.c
|
||||
|
||||
Make various struct sizes available to dynamic languages
|
||||
like Python - Larry Bugbee, February 2013
|
||||
|
||||
LB - Dec 2013 - revised to include compiler define options
|
||||
*/
|
||||
|
||||
|
||||
typedef struct {
|
||||
const char *name;
|
||||
const long size;
|
||||
} crypt_size;
|
||||
|
||||
crypt_size _crypt_sizes[] = {
|
||||
// hash state sizes
|
||||
{"hash_descriptor_struct_size", sizeof(struct ltc_hash_descriptor)},
|
||||
{"hash_state_union_size", sizeof(hash_state)},
|
||||
#ifdef LTC_SHA256
|
||||
{"sha256_state_struct_size", sizeof(struct sha256_state)},
|
||||
#endif
|
||||
#ifdef LTC_SHA512
|
||||
{"sha512_state_struct_size", sizeof(struct sha512_state)},
|
||||
#endif
|
||||
#ifdef LTC_WHIRLPOOL
|
||||
{"whirlpool_state_struct_size", sizeof(struct whirlpool_state)},
|
||||
#endif
|
||||
#ifdef LTC_MD2
|
||||
{"md2_state_struct_size", sizeof(struct md2_state)},
|
||||
#endif
|
||||
#ifdef LTC_MD4
|
||||
{"md4_state_struct_size", sizeof(struct md4_state)},
|
||||
#endif
|
||||
#ifdef LTC_MD5
|
||||
{"md5_state_struct_size", sizeof(struct md5_state)},
|
||||
#endif
|
||||
#ifdef LTC_RIPEMD128
|
||||
{"rmd128_state_struct_size", sizeof(struct rmd128_state)},
|
||||
#endif
|
||||
#ifdef LTC_RIPEMD160
|
||||
{"rmd160_state_struct_size", sizeof(struct rmd160_state)},
|
||||
#endif
|
||||
#ifdef LTC_RIPEMD256
|
||||
{"rmd256_state_struct_size", sizeof(struct rmd256_state)},
|
||||
#endif
|
||||
#ifdef LTC_RIPEMD320
|
||||
{"rmd320_state_struct_size", sizeof(struct rmd320_state)},
|
||||
#endif
|
||||
#ifdef LTC_SHA1
|
||||
{"sha1_state_struct_size", sizeof(struct sha1_state)},
|
||||
#endif
|
||||
#ifdef LTC_TIGER
|
||||
{"tiger_state_struct_size", sizeof(struct tiger_state)},
|
||||
#endif
|
||||
#ifdef LTC_CHC_HASH
|
||||
{"chc_state_struct_size", sizeof(struct chc_state)},
|
||||
#endif
|
||||
|
||||
// block cipher key sizes
|
||||
{"cipher_descriptor_struct_size", sizeof(struct ltc_cipher_descriptor)},
|
||||
{"symmetric_key_union_size", sizeof(symmetric_key)},
|
||||
#ifdef LTC_ANUBIS
|
||||
{"anubis_key_struct_size", sizeof(struct anubis_key)},
|
||||
#endif
|
||||
#ifdef LTC_CAMELLIA
|
||||
{"camellia_key_struct_size", sizeof(struct camellia_key)},
|
||||
#endif
|
||||
#ifdef LTC_BLOWFISH
|
||||
{"blowfish_key_struct_size", sizeof(struct blowfish_key)},
|
||||
#endif
|
||||
#ifdef LTC_CAST5
|
||||
{"cast5_key_struct_size", sizeof(struct cast5_key)},
|
||||
#endif
|
||||
#ifdef LTC_DES
|
||||
{"des_key_struct_size", sizeof(struct des_key)},
|
||||
{"des3_key_struct_size", sizeof(struct des3_key)},
|
||||
#endif
|
||||
#ifdef LTC_KASUMI
|
||||
{"kasumi_key_struct_size", sizeof(struct kasumi_key)},
|
||||
#endif
|
||||
#ifdef LTC_KHAZAD
|
||||
{"khazad_key_struct_size", sizeof(struct khazad_key)},
|
||||
#endif
|
||||
#ifdef LTC_KSEED
|
||||
{"kseed_key_struct_size", sizeof(struct kseed_key)},
|
||||
#endif
|
||||
#ifdef LTC_MULTI2
|
||||
// {"multi2_key_struct_size", sizeof(struct multi2_key)},
|
||||
#endif
|
||||
#ifdef LTC_NOEKEON
|
||||
{"noekeon_key_struct_size", sizeof(struct noekeon_key)},
|
||||
#endif
|
||||
#ifdef LTC_RC2
|
||||
{"rc2_key_struct_size", sizeof(struct rc2_key)},
|
||||
#endif
|
||||
#ifdef LTC_RC5
|
||||
{"rc5_key_struct_size", sizeof(struct rc5_key)},
|
||||
#endif
|
||||
#ifdef LTC_RC6
|
||||
{"rc6_key_struct_size", sizeof(struct rc6_key)},
|
||||
#endif
|
||||
#ifdef LTC_SKIPJACK
|
||||
{"skipjack_key_struct_size", sizeof(struct skipjack_key)},
|
||||
#endif
|
||||
#ifdef LTC_XTEA
|
||||
{"xtea_key_struct_size", sizeof(struct xtea_key)},
|
||||
#endif
|
||||
#ifdef LTC_RIJNDAEL
|
||||
{"rijndael_key_struct_size", sizeof(struct rijndael_key)},
|
||||
#endif
|
||||
#ifdef LTC_SAFER
|
||||
{"safer_key_struct_size", sizeof(struct safer_key)},
|
||||
#endif
|
||||
#ifdef LTC_SAFERP
|
||||
{"saferp_key_struct_size", sizeof(struct saferp_key)},
|
||||
#endif
|
||||
#ifdef LTC_TWOFISH
|
||||
{"twofish_key_struct_size", sizeof(struct twofish_key)},
|
||||
#endif
|
||||
|
||||
// mode sizes
|
||||
#ifdef LTC_CBC_MODE
|
||||
{"symmetric_CBC_struct_size", sizeof(symmetric_CBC)},
|
||||
#endif
|
||||
#ifdef LTC_CFB_MODE
|
||||
{"symmetric_CFB_struct_size", sizeof(symmetric_CFB)},
|
||||
#endif
|
||||
#ifdef LTC_CTR_MODE
|
||||
{"symmetric_CTR_struct_size", sizeof(symmetric_CTR)},
|
||||
#endif
|
||||
#ifdef LTC_ECB_MODE
|
||||
{"symmetric_ECB_struct_size", sizeof(symmetric_ECB)},
|
||||
#endif
|
||||
#ifdef LTC_F8_MODE
|
||||
{"symmetric_F8_struct_size", sizeof(symmetric_F8)},
|
||||
#endif
|
||||
#ifdef LTC_LRW_MODE
|
||||
{"symmetric_LRW_struct_size", sizeof(symmetric_LRW)},
|
||||
#endif
|
||||
#ifdef LTC_OFB_MODE
|
||||
{"symmetric_OFB_struct_size", sizeof(symmetric_OFB)},
|
||||
#endif
|
||||
|
||||
// MAC sizes -- no states for ccm, lrw
|
||||
#ifdef LTC_F9_MODE
|
||||
{"f9_state_struct_size", sizeof(f9_state)},
|
||||
#endif
|
||||
#ifdef LTC_HMAC
|
||||
{"hmac_state_struct_size", sizeof(hmac_state)},
|
||||
#endif
|
||||
#ifdef LTC_OMAC
|
||||
{"omac_state_struct_size", sizeof(omac_state)},
|
||||
#endif
|
||||
#ifdef LTC_PELICAN
|
||||
{"pelican_state_struct_size", sizeof(pelican_state)},
|
||||
#endif
|
||||
#ifdef LTC_PMAC
|
||||
{"pmac_state_struct_size", sizeof(pmac_state)},
|
||||
#endif
|
||||
#ifdef LTC_XCBC
|
||||
{"xcbc_state_struct_size", sizeof(xcbc_state)},
|
||||
#endif
|
||||
#ifdef LTC_OCB_MODE
|
||||
{"ocb_state_struct_size", sizeof(ocb_state)},
|
||||
#endif
|
||||
#ifdef LTC_OCB3_MODE
|
||||
{"ocb3_state_struct_size", sizeof(ocb3_state)},
|
||||
#endif
|
||||
#ifdef LTC_GCM_MODE
|
||||
{"gcm_state_struct_size", sizeof(gcm_state)},
|
||||
#endif
|
||||
#ifdef LTC_EAX_MODE
|
||||
{"eax_state_struct_size", sizeof(eax_state)},
|
||||
#endif
|
||||
#ifdef LTC_CCM_MODE
|
||||
// not defined
|
||||
#endif
|
||||
#ifdef LRW_MODE
|
||||
// not defined
|
||||
#endif
|
||||
|
||||
// asymmetric keys
|
||||
#ifdef LTC_MRSA
|
||||
{"rsa_key_struct_size", sizeof(rsa_key)},
|
||||
#endif
|
||||
#ifdef LTC_MDSA
|
||||
{"dsa_key_struct_size", sizeof(dsa_key)},
|
||||
#endif
|
||||
#ifdef MDH
|
||||
{"dh_key_struct_size", sizeof(dh_key)},
|
||||
#endif
|
||||
#ifdef LTC_MECC
|
||||
{"ecc_set_struct_size", sizeof(ltc_ecc_set_type)},
|
||||
{"ecc_key_struct_size", sizeof(ecc_key)},
|
||||
{"ecc_point_struct_size", sizeof(ecc_point)},
|
||||
#endif
|
||||
#ifdef MKAT
|
||||
// {"katja_key_struct_size", sizeof(katja_key)},
|
||||
#endif
|
||||
|
||||
// prng state sizes
|
||||
{"prng_descriptor_struct_size", sizeof(struct ltc_prng_descriptor)},
|
||||
{"prng_state_union_size", sizeof(prng_state)},
|
||||
#ifdef LTC_FORTUNA
|
||||
{"fortuna_prng_struct_size", sizeof(struct fortuna_prng)},
|
||||
#endif
|
||||
#ifdef LTC_RC4
|
||||
{"rc4_prng_struct_size", sizeof(struct rc4_prng)},
|
||||
#endif
|
||||
#ifdef LTC_SOBER128
|
||||
{"sober128_prng_struct_size", sizeof(struct sober128_prng)},
|
||||
#endif
|
||||
#ifdef LTC_YARROW
|
||||
{"yarrow_prng_struct_size", sizeof(struct yarrow_prng)},
|
||||
#endif
|
||||
// sprng has no state as it uses other potentially available sources
|
||||
// like /dev/random. See Developers Guide for more info.
|
||||
};
|
||||
|
||||
/* crypt_get_size()
|
||||
* sizeout will be the size (bytes) of the named struct or union
|
||||
* return -1 if named item not found
|
||||
*/
|
||||
int crypt_get_size(const char* namein, int *sizeout) {
|
||||
int i;
|
||||
int count = sizeof(_crypt_sizes) / sizeof(crypt_size);
|
||||
for (i=0; i<count; i++) {
|
||||
if (strcmp(_crypt_sizes[i].name, namein) == 0) {
|
||||
*sizeout = _crypt_sizes[i].size;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* crypt_list_all_sizes()
|
||||
* if names_list is NULL, names_list_size will be the minimum
|
||||
* size needed to receive the complete names_list
|
||||
* if names_list is NOT NULL, names_list must be the addr with
|
||||
* sufficient memory allocated into which the names_list
|
||||
* is to be written. Also, the value in names_list_size
|
||||
* sets the upper bound of the number of characters to be
|
||||
* written.
|
||||
* a -1 return value signifies insufficient space made available
|
||||
*/
|
||||
int crypt_list_all_sizes(char *names_list,
|
||||
unsigned long *names_list_size) {
|
||||
int i;
|
||||
unsigned long total_len = 0;
|
||||
char number[10];
|
||||
int number_len;
|
||||
int count = sizeof(_crypt_sizes) / sizeof(crypt_size);
|
||||
|
||||
/* calculate amount of memory required for the list */
|
||||
for (i=0; i<count; i++) {
|
||||
total_len += strlen(_crypt_sizes[i].name) + 1;
|
||||
// the above +1 is for the commas
|
||||
sprintf(number,"%lu",_crypt_sizes[i].size);
|
||||
total_len += strlen(number) + 1;
|
||||
// this last +1 is for newlines (and ending NULL)
|
||||
}
|
||||
|
||||
if (names_list == NULL) {
|
||||
*names_list_size = total_len;
|
||||
} else {
|
||||
if (total_len > *names_list_size) {
|
||||
return -1;
|
||||
}
|
||||
/* build the names list */
|
||||
char *ptr = names_list;
|
||||
for (i=0; i<count; i++) {
|
||||
strcpy(ptr, _crypt_sizes[i].name);
|
||||
ptr += strlen(_crypt_sizes[i].name);
|
||||
strcpy(ptr, ",");
|
||||
ptr += 1;
|
||||
|
||||
number_len = sprintf(number,"%lu",_crypt_sizes[i].size);
|
||||
strcpy(ptr, number);
|
||||
ptr += number_len;
|
||||
strcpy(ptr, "\n");
|
||||
ptr += 1;
|
||||
}
|
||||
ptr -= 1; // to remove the trailing comma
|
||||
*ptr = 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_sizes.c,v $ */
|
||||
/* $Revision: $ */
|
||||
/* $Date: $ */
|
||||
Loading…
x
Reference in New Issue
Block a user